Constancy of the length of human Y chromosome.
D001345:Autoradiography; D003394:Craniofacial Dysostosis / Q000235:genetics; D005006:Ethnicity; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics; D007621:Karyotyping; D008297:Male; D009154:Mutation; D010375:Pedigree; D012730:Sex Chromosomes; D014424:Turner Syndrome / Q000235:genetics